dzhokhar tsarnaev told agents, according to authorities. according to the criminal complaint against dzhokhar, seen here at an atm machine, trying to get cash from a man whose car he stole, he confessed to the victim, telling him, i did that. as to inspiration, authorities tell abc news, dzhokhar said he and his brother were following the internet preachings of anwar al awlaki, the american-born jihadist, who has been dead for a year and a half. >> it appears to me that the older brother was particularly influenced by al awlaki. >> reporter: despite his ties and his trips to russia, it was a hatred of america that motivated the attack. >> his brother believed that the u.s., through the wars in afghanistan and iraq, were killing muslims. >> reporter: hours after the younger brother talked, authorities swarmed an area behind a cambridge drugstore, looking for more explosives or the place where the bombs might have been built. the fbi hopes to get additional insight from tamerlan's wife. seen over the weekend leaving the family apartment. a rh